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- Add JAX text rendering with font atlas, styled text placement, and typography primitives - Add xector (element-wise/reduction) operations library and sexp effects - Add deferred effect chain fusion for JIT-compiled effect pipelines - Expand drawing primitives with font management, alignment, shadow, and outline - Add interpreter support for function-style define and require - Add GPU persistence mode and hardware decode support to streaming - Add new sexp effects: cell_pattern, halftone, mosaic, and derived definitions - Add path registry for asset resolution - Add integration, primitives, and xector tests Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
21 lines
713 B
Common Lisp
21 lines
713 B
Common Lisp
;; Trails effect - persistent motion trails
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(require-primitives "image" "blending")
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(define-effect trails
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:params (
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(persistence :type float :default 0.8 :range [0 0.99])
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)
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(let* ((buffer (state-get "buffer" nil))
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(current frame))
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(if (= buffer nil)
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(begin
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(state-set "buffer" (copy frame))
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frame)
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(let* ((faded (blending:blend-images buffer
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(make-image (image:width frame) (image:height frame) (list 0 0 0))
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(- 1 persistence)))
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(result (blending:blend-mode faded current "lighten")))
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(begin
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(state-set "buffer" result)
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result)))))
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